Radel Rod and Sheet – R5500
PPSU, PolyPhenylSulfone
*Why use Radel Rod and Sheet R5500 – PPSU:
- Excellent Medical Grade Material
- High Deflection Temperatures
- Virtually Unlimited Steam Sterilize Cycles
- Easily Machinable or Fabricated
- Replaces Polysulfone and Ultem In Many Medical Applications
This material…
offers a superior combination of high performance properties that include excellent thermal stability, outstanding toughness, and good environmental stress cracking resistance. These properties make this very attractive for a variety of demanding applications.
- Flammability Rated at UL 94 V-0 at .032″ thickness
- Very High Impact Resistance
- Repeat Sterilization – Better Than Other Materials By A Factor Of 40:1
- Outstanding Resistance to Environmental Stress Cracking
- High Heat Deflection Temperatures
- Resistance to Hydrolysis
- USP VI Approved Grade and Variety of Colors Available – Special Order
This engineering material is used frequently in Medical, Electronic, Aircraft and Aerospace Manufacturing. Radel Rod is extensively used in electrical connectors and sockets, automotive fuse cases, medical device handles and many demanding dental devices and trays. Radel is also known by the trade names: Tecason®, Ultrason®, and Acudel® and others.
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 Machining Guidelines |  Chemical Resistant Chart |
Radel Rod and Sheet Applications:
- Food and Dairy Equipment
- Electronic Fixtures and Manufacturing
- Medical Device Handles and Fixtures
- Food Service Trays
- Aircraft Interior Parts
Materials Available As
Radel Sheet: 
Call for currently available thicknesses
Radel Rod:
Call for currently available diameters
Radel Tube:
Call with your requirements, many sizes available, minimums apply
Special Formulations:
Radel A, Radel R5100 in sheet and rod, Radel R7700, Non standard colors, thickness, size or formula, please call for details
Typical Resin Properties:
| General Property | ASTM Test | Typical Value |
| Specific Gravity | D792 | 1.29 |
| Tensile Strength Yield | D638 | 10,100 |
| Izod Impact – Notched | D256 | 10.0 |
| Hardness – Rockwell | D785 | R120 |
| Deflection Temp @ 264psi | D648 | 405 |
| Deflection Temp @ 66 psi | D648 | 417 |
| Co. Thermal Expansion | D696 | 3.1X10-5 |
 Data Sheet | |
| Machining Guidelines | Chemical Resistant Chart |
These Properties are for evaluation purposes only. This information is not to be construed as a warranty, guarantee or assurance that you may achieve the same results. Materials made from different resin types, manufacturing techniques and manufacturers will react differently. The information should be used to compare against other materials only, and each user should make his own tests to determine suitability. No warranty as to this materials suitability are either expressed or implied.